Survey of India. (1987). Instructions for publication of maps by central/state government departments/offices and private publishers. Survey of India.
Lua i Stíl Chicago (17ú heag.)Survey of India. Instructions for Publication of Maps by Central/state Government Departments/offices and Private Publishers. [Dehra Dun]: Survey of India, 1987.
Lua MLA (8ú heag.)Survey of India. Instructions for Publication of Maps by Central/state Government Departments/offices and Private Publishers. Survey of India, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.